Indus Valley

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barrages for irrigation

...China alone. Most of this activity involves the use of natural floodwater, although reliance on artificially impounded storage has increased rapidly. Irrigation in the 1,300-kilometre length of the Indus valley, for instance, depends almost exclusively on barrages (i.e., distributor canals) running down alluvial fans and along floodplains.

history of India

...times and the exploitation of its waters by canal irrigation in the modern period have enhanced agricultural productivity, and the population is correspondingly denser than that of Baluchistan. The Indus valley may be divided into three parts: in the north are the plains of the five tributary rivers of the Punjab (Persian: Panjāb, “Five Waters”); in the centre the consolidated...

...antiquity, which would suggest a broad parallelism of developments at both the eastern and western extremities. During the late 20th century, knowledge of early settlements on the borders of the Indus system and Baluchistan was revolutionized by excavations at Mehrgarh and elsewhere.

physiography of Pakistan

From its source to its mouth, the annual precipitation in the Indus region varies between 5 and 20 inches (125 and 510 mm). Except for the mountainous section of Pakistan, the Indus valley lies in the driest part of the subcontinent. Northwestern winds sweep the upper Indus valley in winter and bring 4 to 8 inches (100 to 200 mm) of rainfall—vital for the successful growing of wheat and...

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